Finding the Fourth Proportional to 75,110.25, 103,652.14 and 41,118.63
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Solution
The fourth proportional to 75,110.25, 103,652.14 and 41,118.63 is: 56,743.71
Step by Step Solution
- Step 1: Write the proportion equation
75,110.25 : 103,652.14 = 41,118.63 : x - Step 2: Convert to fraction form
75,110.25/103,652.14 = 41,118.63/x - Step 3: Cross multiply
75,110.25x = 103,652.14 × 41,118.63 - Step 4: Simplify right side
75,110.25x = 4,262,034,231.43 - Step 5: Solve for x
x = 4,262,034,231.43/75,110.25 - Step 6: Final answer
x = 56,743.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.